Elementary Theory of Numbers

This superb text introduces number theory to readers with limited formal mathematical training. Intended for use in freshman- and sophomore-level courses in arts and science curricula, in teacher-training programs, and in enrichment programs for high-school students, it is filled with simple problems to stimulate readers' interest, challenge their abilities and increase mathematical strength.
Contents:
I. Introduction
II. The Euclidean Algorithm and Its Consequences
III. Congruences
IV. The Powe...